Drug addiction lowers the Dopamine receptors and alters brain reward pathways - structural changes start happening - the judgment, memory, learning ability physically change - like dried up pond so ssri which is like a dam to prevent loss will not work - check this place to learn more - http://learn.

Genetics.Utah.Edu/content/addiction/drugs/.

In brief:
Is a mental illness

Drug addiction lowers the Dopamine receptors and alters brain reward pathways - structural changes start happening - the judgment, memory, learning ability physically change - like dried up pond so ssri which is like a dam to prevent loss will not work - check this place to learn more - http://learn.

Genetics.Utah.Edu/content/addiction/drugs/.
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